UNITED SCIENTIFIC SUPPLIES Rubber Stopper Size 1, 2 Holes, Black, RST1-H2
The UNITED SCIENTIFIC SUPPLIES Stopper: Rubber is a black rubber stopper in Size 1, featuring a 14 mm bottom diameter, 19 mm top diameter, and 25 mm overall height with 2 holes. This product is manufactured by UNITED…
SKU 3G-OTH-381385
Also listed as: RST1H2 · RST1 H2
Local availability & support
- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
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Product Description
The UNITED SCIENTIFIC SUPPLIES Stopper: Rubber is a black rubber stopper in Size 1, featuring a 14 mm bottom diameter, 19 mm top diameter, and 25 mm overall height with 2 holes. This product is manufactured by UNITED SCIENTIFIC SUPPLIES INC under part number RST1-H2.
Frequently Asked Questions
What is a UNITED SCIENTIFIC SUPPLIES rubber stopper used for?
This rubber stopper is used to seal laboratory flasks, test tubes, and other glassware. The two holes allow insertion of glass tubing, thermometers, or probes for experiments and chemical reactions. It is commonly used in educational, research, and industrial labs.
What are the specifications of the UNITED SCIENTIFIC SUPPLIES rubber stopper RST1-H2?
This stopper is Size 1, made of black rubber, with a bottom diameter of 14 mm, top diameter of 19 mm, and overall height of 25 mm. It has 2 holes and is manufactured by UNITED SCIENTIFIC SUPPLIES INC under part number RST1-H2.
Where to buy UNITED SCIENTIFIC SUPPLIES rubber stoppers worldwide?
3G Electric supplies UNITED SCIENTIFIC SUPPLIES rubber stoppers worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.
How to select the right rubber stopper size for a flask?
Measure the inner diameter of your flask neck. The stopper's top diameter should be slightly larger than the neck opening to ensure a tight seal. For this Size 1 stopper, the top diameter is 19 mm and bottom is 14 mm, suitable for standard small-neck glassware.
UNITED SCIENTIFIC SUPPLIES Products
3G Electric supplies UNITED SCIENTIFIC SUPPLIES rubber stoppers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
